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Conference Paper Performance Analysis of Error Concealment Algorithms for MPEG-2 Video
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Authors
Yuk Ying Chung, Siqi Li, Xiaoming Chen, Chang Seok Bae
Issue Date
2006-04
Citation
WSEAS International Conference on Multimedia Systems & Signal Processing (ICMSSP) 2006, pp.1-6
Publisher
WSEAS
Language
English
Type
Conference Paper
Abstract
In this paper, three derivations of linear frequency concealments were simulated and compared. These three Error Concealment (EC) algorithms use linear frequency re-interpolation. We have implemented and compared different numbers of neighboring blocks involved during the re-interpolation. These three error concealments are Previous Coded Block Linear Error Concealment (PCB-EC), Four Neighbors Linear Error Concealment (4N-EC) and Eight Neighbors Linear Error Concealment (8N-EC). The results show that 4NEC algorithm can achieve the best performance and have PSNR increment by 8.2dB after recovery while other algorithms can only improve 1-2dB after recovery.
KSP Keywords
Best performance, MPEG-2, Performance analysis, Re-interpolation, error concealment